Title:
Manufacture of plastic articles having spaced shells with reinforced foam filling
United States Patent 3013922


Inventors:
Fisher, Richard T.
Application Number:
US64896657A
Publication Date:
12/19/1961
Filing Date:
03/27/1957
Assignee:
FISHER PIERCE CO INC
Primary Class:
Other Classes:
29/460, 114/348, 156/79, 220/592.25, 220/902, 264/45.3, 264/46.7, 264/261, 280/832
International Classes:
B29C44/12; B63B3/00
View Patent Images:
Foreign References:
FR1082060A1954-12-27